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Table 1 Linear regression data for calibration curves of standards ( n = 6) via peak areas

From: Validated TLC-densitometry method for the simultaneous analysis of pyrethroid insecticides in agricultural and domestic products

Standard

Linearity range [ng/spot]

Regression equation

r± SD

LOD [ng/spot]

LOQ [ng/spot]

Cis-permethrin

300-1800

y = 6.56X + 1649.4

0.996 ± 0.0015

1.6

4.9

Trans-permethrin

300-1800

y = 5.84X + 1876.2

0.993 ± 0.0029

2.4

7.4

Esbiothrin

300-1800

y = 4.33X + 1283.3

0.991 ± 0.0016

2.8

8.5

Alphacypermethrin

300-1800

y = 5.3X + 1295.6

0.996 ± 0.0032

1.9

5.7